DF

Donald E. Fehrenbach

📍 Escanaba, MI: #1 of 5 inventorsTop 20%
🗺 Michigan: #973 of 4,313 inventorsTop 25%
Overall (1994): #141,412 of 165,921Top 90%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5354051 Ball return practice device Allan J. Waeghe 1994-10-11